hydroplane
- n an airplane that can land on or take off from water
the designer of marine aircraft demonstrated his newest hydroplane - n a speedboat that is equipped with winglike structures that lift it so that it skims the water at high speeds
the museum houses a replica of the jet hydroplane that broke the record - v glide on the water in a hydroplane
- Suddenly the big hydroplane flipped over, vanished in a geyser of white spray.
- Delayed seven weeks by rough weather and modifications to his sleek jet hydroplane Bluebird, Speedmerchant Donald Campbell tucked a cuddly teddybear mascot into the cockpit with .
- For sheer exclusiveness, danger and sangfroid, no sport quite matches hydroplane racing.